<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>

<form action="<?php echo $www_site_url?>/admin.php" method="post">
<input type="hidden" name="action" value="express" />
<input type="hidden" name="op" value="addexpress" />
<input type="hidden" name="a_id" value="<?php echo $a_id?>" />
<input type="hidden" name="user_id" value="<?php echo $user_id?>" />

是否确定叫快递：
<input type="radio" name="if_express" value="1">YES
<input type="radio" name="if_express" value="0">NO

<input type="submit" value="submit" />

</form>
</body>
</html>